/*
 * Copyright (C) 2024 Xiaomi Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <sys/types.h>

/**
 * @brief Suspends execution of the calling thread for (at least) usec microseconds.
 *
 * The call may sleep longer than requested so long as the delay is not less than
 * the specified amount.
 *
 * @param usec The number of microseconds to sleep.
 * @return 0 on success, or -1 on failure with `errno` set to indicate the error.
 */
int usleep(useconds_t usec);
